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12 Cards in this Set
- Front
- Back
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What is the first stage of labor
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onset of labor to full dilation of the cervix
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what is labor
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uterine contraction and dilation of the cervix
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describe the phases of stage one of labor
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-latent phase begins at onset and ends with 4cm cervical dilation. it lasts about 20 hrs in nullips, and 14 hours in multips
-active phase is further classifies as acceleration, phase of maximum slope and decel phase and is based on cervical dilation |
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thre p's that affect the duration of the active phase
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power of the contractions
passenger- size of baby pelvis - size and shape of mom's pelvis |
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average time from 4 to 10 cm dilation
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nullips:1.2 cm/hr
multips: 1.5 cm/hr |
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what is the second stage of labor
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from full dilation to expulsion of the baby
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times for second stage
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nullip with epi: 3 hrs
nullip w/o epi: 2 hrs multip with epi: 2 hrs multip w/o epi: 1 hrs |
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what is the third stage of labor
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from delivery of baby to delivery of placenta
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duration of the third stage
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avg is 10 mins
prolonged if >10 min |
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3 signs of placental separation
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gush of blood
lengthening of the cord fundus of the uterus rises up and becomes firm |
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difference between contractions that are true vs false
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true-regular shortening intervals that increase intensity, hurt in the back and lower abdomen and are not releived with meds, and cervix changes
false labor-irregular that have non changing intensity and are relieved by meds, or water, or rest. cervix does not change |
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Blood facts of uterus
-supply -normal flow rate -normal loss per vaginal delevery -normal loss for C-sxn |
-Uterine and ovarian arteries
-100cc/min if non pregnant and 500 cc/min by 17 wks -300-500ml -800-1,000 ml |
